Draw a model of earth’s orbit around the sun that explains why earth has four seasons. Be sure to show tilt of earth’s axis. The model needs to be drawn to scale

explanation:

newton's third law, for every action there is an equal and opposite reaction.

the first american roller coaster was the mauch chunk switchback railway, built in the mountains of pennsylvania in the mid-1800s. the track, originally built to send coal to a railway, was reconfigured as a "scenic tour."